UC · Universal Columns

310UC118

310UC118 Universal Column

  • AS/NZS 3679.1:2016
  • Design: AS 4100:2020
  • Unverified
Weight Surface area Equivalents XML
Mass117.90kg/m
A15,020mm²
Ix277.83610⁶ mm⁴
Zx1,764.010³ mm³
310UC118 cross-section
Cross-section drawn to scale from nominal dimensions. Cross-hair marks the centroid.

Dimensions

ParameterSymbolValueUnitData
Depthd315.0mmU
Flange widthbf307.0mmU
Flange thicknesstf18.7mmU
Web thicknesstw11.9mmU
Root radiusr116.5mmU

Section Properties

ParameterSymbolValueUnitData
General
Mass per metre mass117.90kg/mC
Gross area A15,020mm²C
About x-axis (major)
Second moment of area Ix Ix277.83610⁶ mm⁴C
Elastic section modulus Zx (min) Zx1,764.010³ mm³C
Plastic section modulus Sx Sx1,961.910³ mm³C
Radius of gyration rx rx136.0mmC
About y-axis (minor)
Second moment of area Iy Iy90.24210⁶ mm⁴C
Elastic section modulus Zy (min) Zy587.910³ mm³C
Plastic section modulus Sy Sy893.310³ mm³C
Radius of gyration ry ry77.5mmC
Torsion & warping
Torsion constant JApproximate thin-walled value, fillets neglected J1.49410⁶ mm⁴C
Warping constant IwIy·(d−tf)²/4 Iw1,980.6710⁹ mm⁶C
Surface area
External surface area extArea1.806m²/mC

Nominal designation mass 118.00 kg/m; calculated 117.90 kg/m (-0.1%).

Steel Grades

GradeStandard fy MPafu MPa NoteData
300 AS/NZS 3679.1:2016 280 440 Typical grade supplied – confirm availability with supplier U

Strengths shown for governing thickness t = 18.7 mm. Density 7850 kg/m³, E = 200 000 MPa.

Source & Verification

Source publisher
Pending verification – nominal dimensions entered by the application developer
Source document
AS/NZS 3679.1:2016 Structural steel – Hot-rolled bars and sections
Edition
2016
Publication year
2016
Page reference
—
Last updated
2026-10-12
Verification status
Unverified

Nominal dimensions require verification against the current edition of the product standard and the manufacturer catalogue before design use. Properties are calculated by this application from the nominal dimensions.

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